True or False: This freebody diagram would only apply to an object resting on a supporting surface.

TrueFalse

If the mass of this object equals 5 kg, what is the magnitude of the normal force exerted on it by the supporting surface?

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True or False: According to this freebody diagram, the object is accelerating to the right on a frictionless, supporting surface.

TrueFalse

If this object weighs 49 N and the applied force equals 10 N, what is the magnitude of the resulting acceleration?

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True or False: According to this freebody diagram, the object is moving at a constant velocity, towards the left, across a supporting surface in the presence of friction.

TrueFalse

If this object weighs 49 N and the applied force equals 10 N, what is the magnitude of the frictional force present between the object and the supporting surface?

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Which choice is correct? This object would be

losing speedgaining speedmoving at a constant velocityat rest

The object weighs 49 N and the frictional force between it and the supporting surface equals 10 N. If the applied force is reduced to 6 N, what is the magnitude of the resulting acceleration?

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Which choice is correct? This object is

moving to the left and gaining speed.moving to the left and losing speed.moving to the right and gaining speed.moving to the right and losing speed.

The object weighs 49 N and the frictional force between it and the supporting surface equals 10 N. If the applied force is removed, what is the magnitude of the resulting acceleration?

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Which choice is correct? This object is

moving to the right and losing speed.moving to the right and gaining speed.moving to the left and losing speed.moving to the left and gaining speed.

A second object weighing 29.4 N replaces the original 5 kg mass. As a direct consequence of the reduced mass, the retarding frictional force is now 6 N. Once again a horizontal force equaling 10 N is applied. What is the magnitude of the resulting acceleration?

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True or False: This freebody diagram would only apply to an object being raised vertically at a constant velocity.

TrueFalse

If the mass of this object equals 3 kg, what is the magnitude of the tension in the string?

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Which choice is correct? This object could be

rising and losing speed.rising and gaining speed.falling and losing speed.falling and gaining speed.

The 3 kg object now experiences an acceleration of - 4 m/sec2. What is the tension in the string?

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True or False: This freebody diagram could apply to an object in freefall only while it is descending.

TrueFalse

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Which choice is correct? This object would be

rising and losing speed.rising and gaining speed.falling and losing speed.falling and gaining speed.

The 3 kg object now experiences an acceleration of 4 m/sec2. What is the tension in the string?